[INFO] fetching crate configuer 0.1.11...
[INFO] testing configuer-0.1.11 against 1.49.0 for beta-1.50-1
[INFO] extracting crate configuer 0.1.11 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate configuer 0.1.11 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate configuer 0.1.11
[INFO] finished tweaking crates.io crate configuer 0.1.11
[INFO] tweaked toml for crates.io crate configuer 0.1.11 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate configuer 0.1.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d656eec6bbd62ba4c0ed8ad3834a0bbad0f38c1ec1e92fbf72a8558ecf67334b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d656eec6bbd62ba4c0ed8ad3834a0bbad0f38c1ec1e92fbf72a8558ecf67334b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d656eec6bbd62ba4c0ed8ad3834a0bbad0f38c1ec1e92fbf72a8558ecf67334b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d656eec6bbd62ba4c0ed8ad3834a0bbad0f38c1ec1e92fbf72a8558ecf67334b", kill_on_drop: false }`
[INFO] [stdout] d656eec6bbd62ba4c0ed8ad3834a0bbad0f38c1ec1e92fbf72a8558ecf67334b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76c205dc8d24c6ca4f9ff432ee175953d6377b622cce74441002f0efc5f1b54c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76c205dc8d24c6ca4f9ff432ee175953d6377b622cce74441002f0efc5f1b54c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling configuer v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.26s
[INFO] running `Command { std: "docker" "inspect" "76c205dc8d24c6ca4f9ff432ee175953d6377b622cce74441002f0efc5f1b54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c205dc8d24c6ca4f9ff432ee175953d6377b622cce74441002f0efc5f1b54c", kill_on_drop: false }`
[INFO] [stdout] 76c205dc8d24c6ca4f9ff432ee175953d6377b622cce74441002f0efc5f1b54c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 737318444ea740802aa82bfaca8ec347aa65cea46a82ae08924ca4fb979febad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "737318444ea740802aa82bfaca8ec347aa65cea46a82ae08924ca4fb979febad", kill_on_drop: false }`
[INFO] [stderr]    Compiling configuer v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "737318444ea740802aa82bfaca8ec347aa65cea46a82ae08924ca4fb979febad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737318444ea740802aa82bfaca8ec347aa65cea46a82ae08924ca4fb979febad", kill_on_drop: false }`
[INFO] [stdout] 737318444ea740802aa82bfaca8ec347aa65cea46a82ae08924ca4fb979febad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3126453600cef216035376a667d4f2c977ecf209cbcd22770ddcedc2f9b45fd6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3126453600cef216035376a667d4f2c977ecf209cbcd22770ddcedc2f9b45fd6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/configuer-c626cd0f3c933be7
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::saving_and_reading_works_between_sessions ... ok
[INFO] [stdout] test tests::default_value_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests configuer
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3126453600cef216035376a667d4f2c977ecf209cbcd22770ddcedc2f9b45fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3126453600cef216035376a667d4f2c977ecf209cbcd22770ddcedc2f9b45fd6", kill_on_drop: false }`
[INFO] [stdout] 3126453600cef216035376a667d4f2c977ecf209cbcd22770ddcedc2f9b45fd6